package com.lee;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @Description TODO
 * @Author winston
 * @DateTime 2022/3/28
 */
public class HelloServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //1.获取前段参数
        String method = req.getParameter("p1");
        if (method.equals("add")) {
            req.getSession().setAttribute("msg", "执行了add方法");
        }
        if (method.equals("delete")) {
            req.getSession().setAttribute("msg", "执行了delete方法");
        }
        //2.调用业务层
        //3.视图转发或者重定向
        req.getRequestDispatcher("/WEB-INF/jsp/test.jsp").forward(req, resp);
    }
}
